- Full Professor in Exploration and Mineral Processing/Mining Engineering at Al-Hussein Bin Talal University, Ma’an – Jordan (July, 2017 – Now). - Associate Professor in Exploration and Mineral Processing/Mining Engineering at Al-Hussein Bin Talal University, Ma’an – Jordan (July, 2013 – July, 2017 + One year Advancement in this rank). - Associate Professor, Department of Natural Resources & Chemical Engineering – Mining Engineering and Geological Engineering. Tafila Technical University. 7 September, 2014 till 6 September 2015. - Assistant Professor in Exploration and Mineral Processing/Mining Engineering at Al-Hussein Bin Talal University, Ma’an – Jordan (July, 2007 – July, 2013). - Lecturer in Mining Engineering at the Department of Mining and Mineral Engineering, Al-Hussein Bin Talal University, Ma’an – Jordan (Jan, 2007 – July, 2007). - PhD Researcher, Teaching Assistant and Demonstrator at School of Chemical, Environmental and Mining Engineering, Nottingham University, UK. (Feb, 2002 – July, 2007). - General Scientific Laboratories Supervisor & Teacher for Earth and Environmental Sciences, Geology, General Sciences, Physics, Biology and Chemistry. Ministry of Education, Aqaba and Ma’an Directorates, South Jordan. (August, 1996 – September, 2001).